@article{ref1,
title="Weapons: existing stockpile can be safely maintained",
journal="Nature",
year="2009",
author="Marsh, Gerald E.",
volume="462",
number="7270",
pages="158-158",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0028-0836",
doi="10.1038/462158b",
url="http://dx.doi.org/10.1038/462158b"
}